package dao;

import java.sql.Timestamp;
import java.util.List;
import java.util.Set;

import org.hibernate.LockMode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import pojo.Difficultymodel;

/**
 * A data access object (DAO) providing persistence and search support for
 * Difficultymodel entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see dao.Difficultymodel
 * @author MyEclipse Persistence Tools
 */
public class DifficultymodelDAO extends HibernateDaoSupport {
	private static final Logger log = LoggerFactory
			.getLogger(DifficultymodelDAO.class);
	// property constants
	public static final String MODEL_NAME = "modelName";

	protected void initDao() {
		// do nothing
	}

	public void save(Difficultymodel transientInstance) {
		log.debug("saving Difficultymodel instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Difficultymodel persistentInstance) {
		log.debug("deleting Difficultymodel instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Difficultymodel findById(java.lang.String id) {
		log.debug("getting Difficultymodel instance with id: " + id);
		try {
			Difficultymodel instance = (Difficultymodel) getHibernateTemplate()
					.get("pojo.Difficultymodel", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Difficultymodel instance) {
		log.debug("finding Difficultymodel instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Difficultymodel instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from Difficultymodel as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByModelName(Object modelName) {
		return findByProperty(MODEL_NAME, modelName);
	}

	public List findAll() {
		log.debug("finding all Difficultymodel instances");
		try {
			String queryString = "from Difficultymodel";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Difficultymodel merge(Difficultymodel detachedInstance) {
		log.debug("merging Difficultymodel instance");
		try {
			Difficultymodel result = (Difficultymodel) getHibernateTemplate()
					.merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Difficultymodel instance) {
		log.debug("attaching dirty Difficultymodel instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Difficultymodel instance) {
		log.debug("attaching clean Difficultymodel instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static DifficultymodelDAO getFromApplicationContext(
			ApplicationContext ctx) {
		return (DifficultymodelDAO) ctx.getBean("DifficultymodelDAO");
	}
}